The Doomsday Clock is an internationally recognized design that conveys how close we are to destroying our civilization with dangerous technologies of our own making. First and foremost among these are nuclear weapons, but the dangers include climate-changing technologies, emerging... Read More

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The Islamic Republic of Iran stands at the threshold to the bomb. In 2010 it had more than enough low-enriched uranium (some 2,152 kilograms) to make its first bomb's worth of weapons-grade uranium. The LEU would have become highly enriched uranium in roughly 10 weeks had it been fed into the 4,186 centrifuges then operating. Thousands of other centrifuges are also known to be operating at the Natanz secret nuclear facility.

The recognition of the need for nuclear disarmament and the question of how to achieve it are as old as the nuclear age. In June 1945, before the first nuclear weapon had been built, in what became known as the Franck Report, a group of scientists working on the U.S. atomic bomb program warned that:

Climate change and the war on terror mix like oil and water. Our understanding of climate change and its implications is built on hard science, which continues to grow in volume and refinement. It's a singular challenge on an order of magnitude that we've never encountered and solving it requires an unprecedented level of involvement and cooperation from all nations and people.